S$449 Cheap Flights from London to Seoul

View S$449 flight on Tue, 4 Nov, 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Incheon Intl. Airport (ICN)

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Cheap Flights from London to Seoul (LHR-ICN)

Prices were available within the past 7 days and start at S$449 for one-way flights and S$672 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Southern Airlines
Wed, 3 Dec - Wed, 10 Dec
LHR
London
ICN
Seoul
S$672 Return, found 5 days ago
S$672
Return
found 5 days ago
Select China Southern Airlines flight, departing Wed, 3 Dec from London to Seoul, returning Wed, 10 Dec, priced at S$672 found 5 days ago
Air China
Sun, 9 Nov - Wed, 12 Nov
LHR
London
ICN
Seoul
S$700 Return, found 5 days ago
S$700
Return
found 5 days ago
Select Air China flight, departing Sun, 9 Nov from London to Seoul, returning Wed, 12 Nov, priced at S$700 found 5 days ago
Shenzhen Airlines
Fri, 28 Nov - Fri, 12 Dec
LHR
London
ICN
Seoul
S$803 Return, found 2 days ago
S$803
Return
found 2 days ago
Select Shenzhen Airlines flight, departing Fri, 28 Nov from London to Seoul, returning Fri, 12 Dec, priced at S$803 found 2 days ago
China Eastern Airlines
Wed, 5 Nov - Thu, 20 Nov
LHR
London
ICN
Seoul
S$901 Return, found 4 days ago
S$901
Return
found 4 days ago
Select China Eastern Airlines flight, departing Wed, 5 Nov from London to Seoul, returning Thu, 20 Nov, priced at S$901 found 4 days ago
Etihad Airways
Sun, 9 Nov - Wed, 12 Nov
LHR
London
ICN
Seoul
S$985 Return, found 5 days ago
S$985
Return
found 5 days ago
Select Etihad Airways flight, departing Sun, 9 Nov from London to Seoul, returning Wed, 12 Nov, priced at S$985 found 5 days ago
Air France
Thu, 13 Nov - Thu, 27 Nov
LHR
London
ICN
Seoul
S$1,104 Return, found 11 hours ago
S$1,104
Return
found 11 hours ago
Select Air France flight, departing Thu, 13 Nov from London to Seoul, returning Thu, 27 Nov, priced at S$1,104 found 11 hours ago
Turkish Airlines
Wed, 3 Dec - Wed, 10 Dec
LHR
London
ICN
Seoul
S$1,120 Return, found 5 days ago
S$1,120
Return
found 5 days ago
Select Turkish Airlines flight, departing Wed, 3 Dec from London to Seoul, returning Wed, 10 Dec, priced at S$1,120 found 5 days ago
LOT-Polish Airlines
Sat, 15 Nov - Sat, 22 Nov
LHR
London
ICN
Seoul
S$1,142 Return, just found
S$1,142
Return
just found
Select LOT-Polish Airlines flight, departing Sat, 15 Nov from London to Seoul, returning Sat, 22 Nov, priced at S$1,142 just found
KLM
Fri, 28 Nov - Fri, 12 Dec
LHR
London
ICN
Seoul
S$1,173 Return, found 2 days ago
S$1,173
Return
found 2 days ago
Select KLM flight, departing Fri, 28 Nov from London to Seoul, returning Fri, 12 Dec, priced at S$1,173 found 2 days ago
Air India
Mon, 1 Jun - Sat, 27 Jun
LHR
London
ICN
Seoul
S$1,201 Return, found 2 days ago
S$1,201
Return
found 2 days ago
Select Air India flight, departing Mon, 1 Jun from London to Seoul, returning Sat, 27 Jun, priced at S$1,201 found 2 days ago

Find the cheapest month to fly from London (LHR) to Seoul (ICN)

March is typically the cheapest month to fly

From S$612 - S$1,329 per traveller.
London to Seoul route information
Origin airport
Heathrow
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Air China, Air France, Air India, Asiana Airlines, British Airways, Cathay Pacific, China Southern Airlines, Emirates, Etihad Airways, Finnair, KLM, Korean Air, LOT-Polish Airlines, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, United, Virgin Atlantic
Return price
S$672
Distance
8809 km
Average flight time
20 hours 45 mins

Perfect flights from London to Seoul

Your Journey from London to Seoul

Start your unforgettable journey with Expedia. Our broad selection of flights from London to Seoul caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including China Eastern Airlines, China Southern Airlines, Air China, Shenzhen Airlines, LOT-Polish Airlines, Air India, Etihad Airways, Lufthansa, Asiana Airlines, Virgin Atlantic, Air France, Turkish Airlines, KLM. Our selection of flights from Heathrow to Incheon Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with London to Seoul Flights

Experience the joy of finding cheap flights from Heathrow to Incheon Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$449 and roundtrip prices from S$672*.
 

Pre-Flight Essentials

Ensure a smooth journey from London to Seoul with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Seoul

Picture yourself stepping off the plane in Seoul and immersing yourself in the unique atmosphere of Incheon. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your London to Seoul Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from London to Seoul.
 

Beyond the Flight – Exploring Seoul

With Expedia, your adventure extends beyond the flight. Explore Seoul at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from London to Seoul with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from London to Seoul with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Heathrow Airport to Incheon Intl. Airport (ICN)?
Start packing your suitcase, because round-trip flights from LHR to ICN start from S$672. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book now to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Heathrow Airport to Incheon Intl. Airport (ICN)?
This differs between air carriers, as each has its own terms and conditions. Visit the Customer Service Portal, where there are instructions on how to cancel online.
How do I find cheap flights from Heathrow Airport to Seoul–Incheon Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Heathrow Airport (LHR) to Incheon Intl. Airport (ICN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from London Heathrow to ICN?
The distance is around 8,900 kilometres, so pack your carry-on bag with all the things you need to make your journey comfortable. Wondering what to take on board your Hounslow to South Korea flight? A sleep mask, earplugs and a travel pillow are among the essentials.
Which airlines fly direct from LHR to Incheon Intl. Airport (ICN)?
With 30 flights a month operating from LHR to Incheon Airport, Korean Air (KE) is a popular choice. Asiana Airlines (OZ) is another popular choice. It offers 30 flights each month. Between these two airlines, you'll be able to find a great deal from Hounslow to South Korea.
Are Heathrow Airport (LHR) to Seoul–Incheon Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes pick up a bargain, with some super cheap airfares from London Heathrow to Seoul–Incheon Intl. Airport arising a few weeks before the date of departure. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals regularly — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines quote prices so far in advance.

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